linux-kernel - Re: [PATCH] i2c: designware: make const array supported

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Message-ID: <20171017215019.2xvl3btrxx57ckxd@ninjato>
Date:   Tue, 17 Oct 2017 23:50:19 +0200
From:   Wolfram Sang <wsa@...-dreams.de>
To:     Colin King <colin.king@...onical.com>
Cc:     Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        linux-i2c@...r.kernel.org, kernel-janitors@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] i2c: designware: make const array supported_speeds
 static to shink object code size

On Thu, Sep 21, 2017 at 11:30:07PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@...onical.com>
> 
> Don't populate const array supported_speeds on the stack, instead
> make it static.  Makes the object code smaller by 150 bytes:
> 
> Before:
>    text	   data	    bss	    dec	    hex	filename
>    8474	   1440	      0	   9914	   26ba	i2c-designware-platdrv.o
> 
> After:
>    text	   data	    bss	    dec	    hex	filename
>    8324	   1440	      0	   9764	   2624	i2c-designware-platdrv.o
> 
> (gcc version 7.2.0 x86_64)
> 
> Signed-off-by: Colin Ian King <colin.king@...onical.com>

Applied to for-next, thanks!


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